Definitions for "Arête"
Keywords:  arete, cirque, ridge, glacial, glacier
An acute and rugged crest of a mountain range or a subsidiary ridge between two mountain gorges.
A sharp ridge of erosion-resistant rock formed between adjacent cirque glaciers.
The sharp edge of an outside corner, as on the outside corner of a building. The term was initially used to describe a glacially-carved mountain ridge, but it has become widely used by rock climbers to describe any outside edge.